Oral sleep appliance-lower component



FIG. 1 is a top, front, left side perspective view of an oral sleep appliance lower component showing my new design;

FIG. 2 is a front elevation thereof;

FIG. 3 is a rear elevation thereof;

FIG. 4 is a right side elevation thereof with the left side being a mirror image;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a cross-section view along line 7-7 of FIG. 5, rendered at an enlarged scale; and,

FIG. 8 is a cross-section along line 8-8 of FIG. 5, rendered at an enlarged scale.

The broken line portion of the figure drawings is included to show unclaimed subject matter only and forms no part of the claimed design. 

The ornamental design for an oral sleep appliance—lower component, as shown and described. 